On May 10, Apple will launch the iPhone 15 series this fall. The biggest change is that the port will be changed from Lightning to USB Type-C. The latest news is that Apple has introduced a USB 4 retimer chip for it, which will achieve faster transmission speed and more stability.
It is reported that Apple has invited Parade Technologies to assist in the development of USB 4 and plans to introduce timer (retimer) chips, which is expected to become a major selling point of the iPhone 15 series.
USB 4 has data transfer speeds of up to 40 Gbps, nearly twice the speed of USB 3.0. This lets you transfer large files, such as 4K movies and graphics, in seconds. It’s also the ideal technology for connecting multiple monitors and external video displays.
Retimer is similar to a PHY chip. When the signal passes through the Retimer, the internal clock is used to reconstruct the signal, thereby increasing the signal transmission energy, and then the signal continues to be transmitted.
Retimer is an IC with internal CDR (data clock recovery). It recovers the data and then sends the signal out again through the serial channel to reduce signal jitter.
Parade Technologies has currently entered the supply chain of Apple's iPad and MacBook. If it wins new orders from Apple and becomes a new member of the iPhone 15 series USB Type-C, it will undoubtedly greatly boost the company's performance.
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